Thread: Hairline Crack on Celluloid - Repair Help Needed

Unpinned a gorgeous shoulderless boker the other day to clean up the scales, and during unpinning, a small crack formed near the pivot pin. It hasn't cracked through, but it definitely made it lose a bit of strength.

What would you recommend I do to reinforce it? I was thinking just some CA and polishing it back to a uniform sheen.

You might try an acetone weld, just a tiny bit of acetone from a syringe. That has worked for me.

Have never used acetone but that sounds like it might work. I always put thin super glue in the crack and sand with 400 grit before it dries. That usually works. If it cracks all the way through, Put CA in the crack and use a vacum cleaner to pull the glue all the way through. Then let it set for at least an hour. Better overnight to be sure. CA doesn't always set instantly. Depends on the material and situation.

I have had about a 50% success rate with CA and celluloid. Tiny bit on a toothpick touched to the end of the crack and let it sit.

Ok guys I am new to this and I have a celluloid scale with a crack in it as well and I was wondering what I could do for it because other than that the razor is in very good condition. So don't laugh when I ask this but what is "CA"?

Hobby Shops sell CA accelerator. You spray it on the joint and the CA sets instantly.

Caution. If the glue layer is thick it releases heat.